Ọganihu nyocha na teknụzụ mgbake maka teknụzụ mgbake batrị phosphate n&39;efu

Автор: Iflowpower – Kannettavien voimalaitosten toimittaja

Na 2010, obodo m malitere ịkwalite ụgbọ ala ike ọhụrụ. Na 2014, mpụta nke gbawara ebili, 2017 ahịa nke ihe dị ka 770,000 ụgbọ ala. Ụgbọ ala, ụgbọ ala, wdg.

, dabere na batrị lithium iron phosphate ion batrị, ndụ ndụ dị ihe dị ka afọ 8. Ịga n&39;ihu na ịrị elu nke ụgbọ ala ume ọhụrụ ga-enwe mwapu nke batrị lithium dị ike n&39;ọdịnihu. Ọ bụrụ na ọnụ ọgụgụ dị ukwuu nke batrị kpochapụrụ enweghị mkpebi kwesịrị ekwesị, ọ ga-eweta mmetọ gburugburu ebe obibi na ike mkpofu ike, otu esi edozi batrị mkpofu bụ nnukwu nsogbu ndị mmadụ na-elekọta.

Dị ka ọnụ ọgụgụ nke obodo m lithium batrị batrị lithium kwadoro, ọchịchọ nke zuru ụwa ọnụ lithium batrị na 2016 bụ 41.6GW H, ebe LFP, NCA, NCM na LMO ụdị anọ dị mkpa nke lithium-ion batrị bụ 23.9GW · h, n&39;otu n&39;otu.

5.5GW · h, 10.5GW · h na 1.

7GW · h, Lifepo4 batrị nwere 57.4% nke ahịa, NCA na NCM abụọ bụ isi atọ akụkụ usoro ike lithium batrị ngụkọta chọrọ ruru 38.5% nke mkpokọta ina.

N&39;ihi njupụta ike dị elu nke ihe dị yuan atọ, batrị Lithium Sanyuan Power 2017 bụ 45%, na batrị ígwè lithium bụ 49% nke batrị lithium. Ka ọ dị ugbu a, ụgbọ ala ndị njem eletrik dị ọcha bụ batrị ion lithium iron phosphate ion, yana batrị lithium iron phosphate dynamic bụ sistemụ batrị kacha eme na ụlọ ọrụ mbụ. Ya mere, oge nkwụsị nke lithium iron phosphate ion batrị ga-ebu ụzọ bịarute.

Ntugharị nke batrị ndụ ndụ nke LifePo4 nwere ike ọ bụghị naanị ibelata nrụgide gburugburu ebe obibi nke nnukwu ihe mkpofu kpatara, ma ọ ga-eweta uru dị ukwuu nke akụ na ụba, nke ga-enye aka na mmepe mmepe nke ụlọ ọrụ dum. Edemede a ga-edozi iwu obodo dị ugbu a, ọnụahịa dị mkpa nke ihe mkpofu, batrị LifePo4, wdg. Na ndabere a, a dịgasị iche iche nke recycling, re-eji ụzọ, electrolyte, electrolyte, electrolyte, electrolyte na-adịghị mma electrode ihe, na-ezo aka ọnụ ọgụgụ mgbake ọkọnọ ntụaka maka LIFEPO4 batrị.

1 Amụma Mwegharị Batrị Efufu Site na mmepe nke ụlọ ọrụ batrị lithium-ion nke obodo m, nrụgharị na nhazi nke batrị ejiri rụọ ọrụ nke ọma bụ nsogbu ahụike nke ụlọ ọrụ ahụ nwere ike ịga n&39;ihu na-etolite. Ọkwa nke "Energy Saving and New Energy Automobile Industry Development Plan (2012-2020)" kwuru n&39;ụzọ doro anya na enwekwukwa dynamic lithium batrị nzọụkwụ itinye n&39;ọrụ na mgbake njikwa, mmepe nke ike lithium batrị imegharị usoro management usoro, na-eduzi ike lithium batrị nhazi Company enhances recycling nke n&39;efu batrị. Site na nsogbu na-abawanye nke mgbake batrị lithium dị ike, mba na ebe ekwupụtala mmepe nke atumatu, ụkpụrụ na nlekọta nke ụlọ ọrụ imegharị ihe n&39;afọ ndị na-adịbeghị anya.

Amụma dị mkpa nke mba ahụ gbasara imegharị batrị na mba ahụ ka egosiri na Tebụl 1. 2 Waste LifePO4 Batrị Nrụgharị Ihe Dị Mkpa Akụkụ Lithium Ion Batrị Structure N&39;ozuzu na-agụnye electrode dị mma, electrode na-adịghị mma, electrolyte, diaphragm, ụlọ, ihe mkpuchi, na ihe ndị yiri ya, ebe ihe electrode dị mma bụ isi nke batrị lithium ion batrị, na ihe electrode ziri ezi na-akwụ ụgwọ karịa 3% batrị. Tebụl 2 bụ ihe nke batch nke 5A · h ọnya LifePO4 batrị na Guangdong Province (1% ọdịnaya siri ike na tebụl).

Enwere ike ịhụ ya site na tebụl 2, lithium positive electrode phosphate, graphite na-adịghị mma, electrolyte, diaphragm bụ nke kasị ukwuu, ọla kọpa foil, foil aluminum, carbon nanotubes, acetylene black, conductive graphite, PVDF, CMC. Dị ka Shanghai agba ụgbụ enye (June 29, 2018), aluminum: 1.4 nde yuan / ton, ọla kọpa: 51,400 yuan / ton, lithium ígwè phosphate: 72,500 yuan / ton; dị ka mba m ike nchekwa netwọk na batrị netwọk Dị ka akụkọ, general graphite ọjọọ electrode ihe bụ (6-7) nde / ton, price nke electrolyte bụ (5-5.

5) nde / ton. Ọnụ ọgụgụ buru ibu nke ihe onwunwe, ọnụ ahịa dị elu, bụ ihe dị mkpa nke ugbu a na-emegharị batrị ndị a na-eji eme ihe, ma megharịa ihe ngwọta iji tụlee uru akụ na ụba na uru gburugburu ebe obibi. 3 Waste LifePO4 Technology Recycling Technology 3.

Nkà na ụzụ imegharị mmiri mmiri ọgwụ ugbu a, mgbake mmiri mmiri bụ ụzọ siri ike nke imegharị batrị mkpofu. Oxide ma ọ bụ nnu nke Li, Co, Ni, wdg. a na-enweta ya site na oke mmiri ozuzo, wee nweta akụrụngwa kemịkal.

A na-eme ụdị a, na usoro mmiri ozuzo kemịkalụ bụ ụzọ dị mkpa maka mgbake ụlọ ọrụ mmepụta ihe ugbu a nke lithium cobaltate na batrị mkpofu akụkụ atọ. N&39;ihe banyere LiFePO4 ihe, nkewa nke ọdịda usoro site elu okpomọkụ calcination, alkali mgbasa, acid leaching, wdg, naghachi kasị aku na uba uru nke Li ọcha, na ike n&39;out oge naghachi metal na ndị ọzọ ọla, na-eji NaOH alkali ngwọta igbari na nti electrode, otú The mkpokọta aluminum foil abatakwa, nzacha na ngwọta na-sulted acid NaalOH2, nzacha na ngwọta nke Naal. inweta Al (OH) 3, na mgbake nke Al.

Ihe fọdụrụ nzacha bụ LiFePO4, onye na-eduzi carbon ojii na LiFePO4 ihe mkpuchi elu carbon, wdg. E nwere ụzọ abụọ iji megharịa LifePO4: A na-eji usoro a na-agbari slag na hydrogen sulfuric acid iji gbazee slag na hydroxide, nke mere na ngwọta na Fe2 (SO4) 3 na Li2SO4, na-edozi filtrate mgbe nkewa nke carbon adịghị ọcha na NaOH na mmiri amonia, nke mbụ mee ka ígwè Fe (OH) 3 ngwọta presid NaOH. Li2CO3; usoro 2 dabeere na FEPO4 microolysis na nitric acid, igbari nti electrode ihe nzacha fọdụrụnụ na nitric acid na hydrogen peroxide, mbụ akpụ FEPO4 precipitate, na n&39;ikpeazụ precipitate na Fe (OH) 3, The fọdụrụ acid ngwọta precipitates Li2CO3 maka jupụta Na2CO3 ngwọta, na nke iche, Fepitation. Li et al [6], dabere na LIFEPO4 na H2SO4 + H2O2 ngwakọta ngwọta, Fe2 + bụ oxidized n&39;ime Fe3 +, na-akpụ FEPO4 precipitate na PO43-ekekọta, na-agbake metal Fe na kewapụrụ na Li, n&39;ihu dabere na 3LI2SO4 + 2NA3PO4 → 3NA2SO4 + 2Lipa, n&39;ịwa, 3NA2SO4 + 2Li3. ghọta mgbake nke metal Li.

The oxidizing ihe na-ọzọ mfe agbaze na HCl ngwọta, WANG, wdg, na LiFePO4 / C agwakọta ihe ntụ ntụ na-calcined na 600 Celsius C, n&39;ịhụ na ferri ion bụ kpamkpam oxidized, na solubility nke LiFePO4 na-etisasịwo na acid, na mgbake nke Li bụ 96%. Recycled LifePO4 analysis Mgbe nweta precursor FePO4 · 2H2O na Li isi iyi, synthesizing LiFepo4 ihe bụ a nnyocha na-ekpo ọkụ ntụpọ, ZHENG et al [8] elu okpomọkụ ngwọta na electrode Ibé akwụkwọ, na-ewepu ihe nkedo na carbon ka oxidize LIFEPO4 Fe2 + ka Fe3 +, ihuenyo The ntụ ntụ enwetara etisasịwo na-agbanwe agbanwe na plọg2H iji nweta sulfuric acid. FEPO4 hydrate, na 5 h e nwetara na 700 Celsius C maka 5 awa iji nweta FEPO4 mgbake ngwaahịa, na filtrate e lekwasịrị Na2CO3 ngwọta na-ebuli Li2CO3, na-aghọta ọla.

Megharịa. Bian et al. mgbe pyrochlorination site phosphoric acid site phosphoric acid, ọ na-eji nweta FEPO4 · 2H2O, na dị ka a precursor, a Li2CO3 na a glucose carbon thermal Mbelata usoro na-etolite LIFEPO4 / C mejupụtara, na Li na mgbake ihe na-precipitated na LIH2PO4.

, Ghọta mgbake nke ihe, wee jiri ya. Enwere ike iji usoro mmiri ozuzo kemịkalụ maka ịgwakọta mgbake dị mma nke ọla bara uru, na mmalite na-achọ ala tupu ihe mkpofu dị mma, nke bụ uru nke ụdị usoro a. Otú ọ dị, e nwere ihe LifePO4 nke na-enweghị cobalt na ọla ndị ọzọ dị oké ọnụ ahịa, usoro a dị n&39;elu na-enwekarị ogologo oge, na ọtụtụ ọmụmụ adịghị mma nke nnukwu acid na alkali na-efunahụ mmiri mmiri, ụgwọ mgbake dị elu.

3.2 High okpomọkụ siri ike na-adọ mmezi technology dabeere na ire ere usoro nke LIFEPO4 batrị na ụgwọ na ihapu e ji mara nke nti electrode ihe onwunwe, Ọdịdị nke nti LIFEPO4 ihe bụ ike, na ọnwụ nke ọrụ Li bụ otu n&39;ime ihe ndị dị mkpa eziokwu nke batrị ikike attenuation, otú LIFEPO4 ihe a na-ewere na- replenished LI na ndị ọzọ nwere ike n&39;iyi nke ọcha. Ka ọ dị ugbu a, usoro nhazi dị mkpa nwere oke okpomọkụ dị elu iji dozie ma tinye isi mmalite nke kwekọrọ.

A na-edozi oke okpomọkụ, na iji ihe ndị na-emepụta ihe na-eme ka electrochemical nke ihe mgbake site na amurging, ihe mgbakwunye mmewere, wdg. Xie Yinghao, wdg. Mgbe ikpochapu batrị n&39;efu, kewaa electrode dị mma, mgbe ihe nkedo na-ekpo ọkụ na carbonized site na ikpo ọkụ n&39;okpuru nchebe nitrogen, ihe dị mma nke phosphate-lithium nke dabeere na ígwè.

Ọnụ ego nke FEC2O4 · 2H2O, Li2CO3, (NH4) 2HPO4 regulated Li, Fe, na P molar ratio e gbakwunyere na 1.05: 1: 1, na carbon ọdịnaya nke calcined reactant ka emeziri ka 3%, 5%. Na 7%, na-agbakwunye ihe kwesịrị ekwesị ego nke anhydrous ethanol na ihe (600R / min) bọọlụ egwe ọka maka 4 h, na nitrogen ikuku na-ekpo ọkụ na 700 Celsius C mgbe niile okpomọkụ 24H anụ LIFEPO4 ihe maka 10 Celsius C / min.

N&39;ihi ya, ihe nrụzi nwere carbon ọdịnaya nke 5% nwere ezigbo electrochemical Njirimara, na mbụ mwepu ruru 148.0mA · h / g; 1C n&39;okpuru 0.1 C bụ 50 ugboro, ikike njigide ruru 98.

9%, na mgbake bụ Usoro Ngwọta Hụ foto 4. Abụ et al. Na-ewe ndị siri ike na-adọ elu okpomọkụ ojiji nke ogologo agwakọta LifePo4, mgbe uka ruru nke doped ọhụrụ ihe na n&39;efu mgbake ihe bụ 3: 7,700 Celsius C elu okpomọkụ 8h mgbe 8h mmezi ihe electrochemical arụmọrụ dị mma.

Li et al. A na-eji ya gbakwunye Li Source Li2CO3 iji megharịa ihe LIFEPO4 na 600 ° C, 650 ° C, 700 ° C, 750 ° C, 800 Celsius C na argon / hydrogen agwakọta gas. Ikike mbupu nke ihe a bu 142.

9mA · h / g, ezigbo nrụzi okpomọkụ bụ 650 Celsius C, ikike mbupu nke mbụ nke ihe nrụzi bụ 147.3mA · h / g, nke a na-eme ka ọ dịkwuo mma, na mmụba na arụmọrụ okirikiri ka mma. Ọmụmụ nke 都 成, kwuwapụta na Li2CO3 agbakwunyere site na 10% iji mebie ihe electrode dị mma nwere ike kwụọ ụgwọ maka mfu nke lithium recyclant, na ihe mbelata mgbe ihe nrụzi bụ 157 mA, n&39;otu n&39;otu.

H / g na 73mA · h / g, ike fọrọ nke nta ka ọ dịghị attenuation mgbe 200 cycles n&39;okpuru 0.5C. Mgbakwunye nke 20% nke Li2CO3 ga-eme ka oligants dị ka Li2CO3 Meng Li2O n&39;oge usoro nrụzi bred, na-eme ka arụmọrụ coulombic dị ala.

High okpomọkụ siri ike frasi mmezi technology naanị na-agbakwụnye a obere ego nke Li, Fe, P mmewere, enweghị nnukwu ego nke acid-isi reagent, na sprouting n&39;efu acid n&39;efu alkali, usoro eruba dị mfe, gburugburu ebe obibi enyi na enyi, ma ịdị ọcha chọrọ nke mgbake akụrụngwa dị elu. Ọnụnọ nke adịghị ọcha na-ebelata ihe ndị electrochemical nke ihe nrụzi. 3.

3 High okpomọkụ siri ike frasi regeneration technology dị iche na elu-okpomọkụ siri ike frasi pen kpọmkwem mmezi technology, na elu okpomọkụ regeneration usoro ga-akpa dozie mgbake ihe nwere a precursor na mmeghachi omume omume, na onye ọ bụla mmewere nwere ike re-crystalized, na mgbe ahụ na-aghọta mmeputakwa nke ihe onwunwe. 都 成 等 保 3 极 片 分 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2材料 2 材料 2 2 Na uka nta bụ 25% glucose (dabere na lithium iron phosphate), na-enwetaghachi LIFEPO4 / C nti electrode ihe na 650 Celsius C, na ihe dị na 0.1c na 20c na ntọhapụ ruru bụ karị.

Ọ bụ 159.6mA · h / g na 86.9mA · h / g, mgbe 10C na-ebuwanye ibu, mgbe 1000 cycles, ikike reservoir reservoir regeneration nke LIFEPO4 nti electrode ihe bụ 91%.

Site na akwụkwọ ndị a dị n&39;elu, onye edemede nke isiokwu a mere ihe mkpofu nke LifePO4 n&39;oge mmalite, "oxidation-carbon-thermal mbelata" usoro mmeghari ohuru. Usoro mmeghari ahụ dị mkpa dabere na Co Mbelata FEPO4 na LiOH precursor njikọ nke LiFePO4 ihe maka Li3FE2 (PO4) 3 na Fe2O3, ebe LIFEPO4 oxidation bụkwa Li3FE2 (PO4) 3 na Fe2O3, ya mere, a ga-enweta ihe ngwọta okpomọkụ. A na-ewepụ electrode dị mma na nkenke ma chọpụtakwa oxidation nke LIFEPO4.

Dị ka regenerative mmeghachi omume ihe, ọ bụ glucose, a hydrated citric acid, polyethylene glycol, 650--750 Celsius C elu okpomọkụ carbon okpomọkụ Mbelata regeneration LIFEPO4, atọ Mbelata Ma regeneration LIFEPO4 / C ihe na-enweghị adịghị ọcha nwere ike nweta. High okpomọkụ siri ike na-adọ regeneration technology, na natara LIFEPO4 ihe na-oxidized ka mmeghachi omume etiti, na regeneration LIFEPO4 ihe na-enwetara site carbon thermal Mbelata, na ihe nwere a edo oxidation na carbon thermal Mbelata thermodynamic usoro, na regenerative ihe nwere ike mezie iguzogide, usoro eruba Simple, ma, yiri elu okpomọkụ siri ike na-adọ na-agbake ihe na mgbake ihe bụ nke a na-edozi ihe dị mkpa na usoro mgbake dị elu. 3.

4 Nkà na ụzụ na-ahụ maka ihe ndị dị ndụ Nkà na ụzụ leaching bayoloji Na mgbake nke batrị ochie, ojiji mbụ nke nickel-cadmium batrị mkpofu enwetara cadmium, nickel, iron, Cerruti, wdg, gbazere, mbelata n&39;efu nickel-cadmium batrị, mgbake, 100%, n&39;otu n&39;otu. Nickel 96.

5%, ígwè 95%, gbazere leaching oge bụ 93 ụbọchị. XIN et al. Ọ na-eji sọlfọ-sulfide thiobacillus, Caucite-Rotel nko-akụkụ spiral nje bacteria na (sulfur + odo iron ore - sọlfọ sulfurium) ngwakọta usoro iji dozie LiFepo4, LiMn2O4, LiniXCoyMN1- X-YO2, ebe thiosidide thiobacillus 4 na usoro na LiFepo4. LiMn2O4 dị na LiFePO4 bụ 95%, yana ọnụego leaching nke Mn bụ 96%, na Mn na-emeziwanye ya.

Ngwakọta ahụ dị n&39;elu 95% nke ụdị leaching nke Li, Ni, Co na Mn n&39;usoro nke Li, Ni, Co, na Mn n&39;usoro nke ihe onwunwe. The mgbasa nke Li dị mkpa n&39;ihi mgbasa nke H2SO4, na mgbasa nke Ni, Co, na Mn bụ Fe2 + Mbelata na acid dissolution mejupụtara ojiji. Na teknụzụ leaching nke ndu, ekwesịrị ịzụlite okirikiri nke biofushes, na oge ịgbasa mgbasa na-adị ogologo, na n&39;oge usoro mgbasa ahụ, a na-eme ka ahịhịa ahụ dị mfe, na-egbochi teknụzụ na iji ụlọ ọrụ mmepụta ihe.

Ya mere, n&39;ihu melite omenala ọsọ nke strains, adsorbing metal ion ọsọ, wdg, melite leaching ọnụego nke metal ion. 3.

5 Mechanical activation Recycling Recycling Nka na ụzụ kemịkalụ nwere ike ime mgbanwe anụ ahụ na kemịkalụ na nrụgide ọnọdụ okpomọkụ nkịtị, gụnyere mgbanwe oge, ntụpọ nhazi, eriri, amorphization, ma ọ bụ ọbụna mmeghachi omume kwụ ọtọ. N&39;iji mgbake batrị efu, ọ ga-ekwe omume ịkwalite nrụpụta mgbake n&39;okpuru ọnọdụ okpomọkụ ụlọ. Fan et al.

, Na-eji batrị zuru oke na ngwọta NaCl, na LIFEPO4 enwetara dị elu maka awa 5 site na 700 Celsius C iji wepụ ihe ndị na-adịghị ọcha. Mechanical rụọ ọrụ na ngwakọta nke ihe mgbake maka ngwakọta na ahịhịa ahịhịa. The n&39;ibu ebighị usoro dị mkpa na-agụnye atọ nzọụkwụ: urughuru size mbelata, chemical njikọ ezumike, ọhụrụ chemical njikọ.

Mgbe egweri igwe ọrụ, a na-asacha ihe ndị a gwakọtara ọnụ na beads zirconia na mmiri deionized ma tinye ya maka 30 min, a na-akpali filtrate na 90 Celsius C ka ọ pụọ ruo mgbe Li + nwere ịta nke karịrị 5 g / L, na pH na 4 nke filtrate gbanwere na 1 mol / L nke NaOH ngwọta. Na-aga n&39;ihu na-akpali akpali ruo mgbe ịta nke Fe2 + bụ ihe na-erughị 4 mg / L, si otú ahụ nweta nnukwu ịdị ọcha filtrate. Mgbe nzacha gasịrị, a na-edozi ngwọta lithium dị ọcha ka ọ bụrụ 8, kpalie ya na 90 Celsius C maka awa 2, a na-anakọta mmiri ozuzo na akpọnwụ na 60 Celsius C maka ngwaahịa mgbake Li.

Ọnụego mgbake nke Li nwere ike iru 99%, a na-enwetakwa Fe na FEC2O4 · 2H2O. Ọnụego mgbake bụ 94%. YANG et al.

N&39;okpuru ihe enyemaka ultrasonic, a na-ekewa ihe electrode dị mma site na ntụ ntụ electrode dị mma na sodium ethylenediamine tetracetate (EDTA-2NA), nke na-eji igwe igwe ihe eji eme ihe na-arụ ọrụ. Mgbe leaching ọzọ nke ihe nrụnye na-arụ ọrụ na dilute phosphoric acid, leaching na-agwụ, na cellulose akpụkpọ ahụ bụ agụụ filtration na acetate film, mmiri mmiri filtrate nwere lithium, ígwè metal ion, Fe, Li na phosphoric acid nwere ike iru 97.67%, 94.

29, n&39;otu n&39;otu. %. A na-emegharị ihe nzacha ahụ na 90 Celsius C maka awa 9, na metal Fe na-ebuli n&39;ụdị FEPO4 · 2H2O, Li, a na-anakọta ihe na-ekpo ọkụ ma kpọọ nkụ.

Zhu et al. Ejikọtara ya na lecithin site na LiFePO4/C eweghachitere. Mgbe emechara bọọlụ igwe na-arụ ọrụ nke ọma, a na-agbanye 4 h na 600 Celsius C n&39;okpuru AR-H2 (10%) agwakọta ikuku, nwetara (C + N + P) Ntugharị mkpuchi LifePO4 mejupụtara.

N&39;ime ihe ndị na-emegharị ahụ, a na-ekpuchi igodo NC na igodo PC na LiFePO4 iji mee ka oyi akwa C + N + P na-ekpo ọkụ na-ekpo ọkụ, na ihe mmeghari ahụ dị ntakịrị, nke nwere ike belata Li + na ụzọ mgbasa nke LI + na electrons. Mgbe ọnụọgụ nke lecithin bụ 15%, ikike nke ihe nrụpụta ahụ ruru 164.9mA · h / g n&39;oge ọnụego dị ala nke 0.

2c. 3.6 Ngwọta Nrụgharị Ndị ọzọ - Ngwọta Electrochemical Recycling Technology Yang Zeheng et al, na-eji 1-methyl-2 pyrrolidone (NMP) iji gbarie n&39;efu LIFEPO4 (NMP), na-anakọta ihe LIFEPO4 enwetara, ihe na-agbake na ndị na-eduzi ihe, ihe na-ejikọta Nkwadebe na electrode ga-edozi, ihe nkiri na-emepụta batrị na-adịghị mma.

Mgbe otutu chaja na mwepu, a na-etinye lithium site na electrode na-adịghị mma n&39;ime ihe electrode dị mma, na-eme ka electrode dị mma site na steeti lithium gaa na lithically, nweta mmetụta nke nrụzi. Otú ọ dị, a na-agbakọta electrode arụzigharịrị n&39;ime batrị zuru oke, ọ na-esiri ike iduzi ojiji. 4 Teknụzụ mgbake ihe ngwọta Electrolytic na-aga n&39;ihu.

SUN et al, dozie electrolyte mgbe ị na-eji usoro pyrolysis oghere iji nwetaghachi batrị mkpofu. Debe ihe elektrọn dị mma nke kewara n&39;ime ọkụ na-ekpo ọkụ, sistemụ ahụ erughị 1 kPa, okpomọkụ dị jụụ nke ọnyà oyi bụ 10 Celsius. Igwe ọkụ na-ekpo ọkụ na-ekpo ọkụ na 10 Celsius C / min, a na-ahapụ ya na 600 ° C maka 30 min, ndị na-agbanwe agbanwe na-abanye na condenser na condenser, a na-ewepụta gas na-adịghị agwụ agwụ site na mgbapụta mgbapụta, n&39;ikpeazụ na-anakọta site na onye na-anakọta gas.

A na-emegharị ihe nkedo na electrolyte ma ọ bụ nyochaa dị ka ngwaahịa dị ala dị ala, na ọtụtụ n&39;ime ngwaahịa pyrolysis bụ ogige fluorocarbon organic maka ịba ụba na mgbake. Usoro mmịpụta ihe mgbaze organic bụ ịnyefe electrolyte na onye na-amịpụta ihe site na ịgbakwunye ihe mgbaze organic kwesịrị ekwesị na onye na-ewepụta ihe. Mgbe mmịpụta, distillation ma ọ bụ fractionation, na-anakọta ma ọ bụ kewaa electrolytic ngwọta mgbe wepụ dị iche iche esi esi nke ọ bụla n&39;ime ngwaahịa mmịpụta.

Akpụkpọ anụ Tongdong, n&39;okpuru nchebe nitrogen mmiri mmiri, belata batrị mkpofu, wepụ ihe na-arụ ọrụ, tinye ihe na-arụ ọrụ n&39;ime ihe mgbaze organic maka oge iji kpoo electrolyte. The mmịpụta arụmọrụ nke electrolytic ngwọta e tụnyere, na ya pụta na-ekwupụta nkwupụta nke PC, DEC na DME, na mmịpụta ọnụego nke PC bụ ndị kasị ngwa ngwa, na electrolyte nwere ike kpamkpam detached mgbe 2 awa, na PC nwere ike ugboro ugboro na-eji ọtụtụ ugboro, nke nwere ike ịbụ n&39;ihi na nke na-abụghị PC na nnukwu electromalities bụ ihe conducive nke lipids nnu. Igwe ọkụ ọkụ lithium ion batrị na-enweghị ihe mkpofu na-ezo aka na usoro nke ngwọta electrolytic na-etinye na CO2 dị egwu dị ka ihe na-ewepụta, na-ekewa diaphragm batrị lithium ion na ihe na-arụ ọrụ.

Gruetzke et al. Mụta mmetụta mmịpụta nke CO2 mmiri mmiri na CO2 supercritical na electrolyte. Banyere usoro electrolyte nke nwere LiPF6, DMC, EMC na EC, mgbe a na-eji mmiri mmiri CO2 eme ihe, ọnụọgụ mgbake nke DMC na EMC dị elu, na mgbake nke EC dị ala, na ngụkọta mgbake dị elu mgbe mgbake nke EC dị ala.

Mwepụta mmepụta nke ngwọta electrolytic kachasị elu na mmiri mmiri CO2, na mmepụta nke mmepụta nke electrolyte nwere ike nweta (89.1 ± 3.4)% (ọnụọgụ oke).

LIU et al, supercritical CO2 extractive electrolyte jikọtara ya na ike mmịpụta mgbe mbụ static mmịpụta, na 85% mmịpụta ọnụego nwere ike nweta. Teknụzụ Vacuum pyrolysis na-eweghachi ihe ngwọta electrolytic iji nweta peeling nke ihe na-arụ ọrụ na mmiri dị ugbu a, mee ka usoro mgbake dị mfe, mana usoro mgbake nwere ike oriri dị elu, ma na-edozi ihe ndị dị na fluorocarbon organic compound; enwere ike nwetaghachi usoro mmịpụta ihe mgbaze organic Otu akụkụ dị mkpa nke electrolyte, mana enwere nsogbu nke ọnụ ahịa ihe mgbaze dị elu, nkewa siri ike na nke sochirinụ, wdg; Nkà na ụzụ mmịpụta CO2 dị egwu enweghị ihe fọdụrụnụ, nkewa ihe mgbaze dị mfe, mbelata ngwaahịa dị mma, wdg.

, bụ batrị lithium ion Otu n&39;ime ntụziaka nyocha nke electrolyte recycling, mana enwerekwa nnukwu oriri CO2, na onye na-emepụta ihe nwere ike imetụta iji electrolyte eme ihe. 5 Negative electrode ihe mgbake usoro Decompose si LIFEPO4 batrị ọdịda usoro, ogo nke nlaazu na-adịghị mma graphite arụmọrụ bụ ukwuu karịa nti LiFePO4 ihe onwunwe, na n&39;ihi na dịtụ ala price nke na-adịghị mma electrode graphite, ego nke ego bụ dịtụ obere, mgbake na mgbe ahụ echekwa adịghị ike, ugbu a Recycling nnyocha na-adịghị mma electrode nke n&39;efu batrị. Na electrode na-adịghị mma, ihe mkpuchi ọla kọpa dị oke ọnụ na usoro mgbake dị mfe.

Ọ nwere uru mgbake dị elu. A na-atụ anya ntụ ntụ graphite enwetara ga-ekesa na nhazi batrị site na mgbanwe. Zhou Xu et al, ihe nleba anya nke vibration, nyocha nke vibration na usoro nhazi nhazi ikuku na-ekewa wee nwetaghachi batrị lithium ion na-adịghị mma.

A na-atụgharị usoro ahụ n&39;ime igwe na-agbaji hama na dayameta nke na-erughị 1 mm, a na-etinyekwa mgbawa n&39;elu efere nkesa mmiri na-edozi ahụ iji mepụta akwa akwa; imeghe onye ofufe na-edozi ọnụego gas, na-ekwe ka ihe ndina ahụ na-edozi ihe ndina ahụ, ihe ndina ahụ na-atọ ụtọ, na mmiri mbụ ahụ bụ ruo mgbe mmiri zuru ezu, ígwè ahụ na-ekewapụ site na ihe ndị na-abụghị metal, ebe a na-anakọta ihe ọkụ ọkụ site na ikuku ikuku, na-anakọta cyclone separator, na recombination na-ejigide na ala nke fluidized bed. Nsonaazụ na-ekwupụta na mgbe enyochachara ihe elektrọd na-adịghị mma, nha nha ahụ bụ 92.4% na mgbawa nke nha nke ihe karịrị 0.

250 mm, na ọkwa nke toner bụ 96.6% na iberibe ihe na-erughị 0.125 mm, na ọ nwere ike nwetaghachi; N&39;ime mgbawa nke 0.

125--0.250mm, ọkwa nke ọla kọpa dị ala, na nkewa dị irè na mgbake nke ọla kọpa na toner nwere ike nweta site na nhazi nke gas. Ka ọ dị ugbu a, electrode na-adịghị mma na-adabere na ihe nkedo mmiri, na ihe nkedo nwere ike ịgbaze na ngwọta mmiri, ihe na-adịghị mma electrode na onye na-anakọta ọla kọpa nwere ike kewaa site na usoro dị mfe.

Zhu Xiaohui, wdg, mepụtara usoro nke iji ultrasonic ancillary acidification nke abụọ na mgbake mmiri. A na-etinye mpempe akwụkwọ electrode na-adịghị mma na ngwọta hydrochloric acid dilute, na mpempe akwụkwọ graphite kwụ ọtọ na onye na-anakọta ọla kọpa na-ekewapụ, a na-asachakwa onye na-achịkọta ihe, a na-enwetakwa mgbake.

A na-enyocha ihe graphite ahụ, akpọnwụọ, na nkewapụ ya iji nweta ngwaahịa crude graphite enwetara. The crude ngwaahịa na-edozi na oxidizing gị n&39;ụlọnga dị ka nitric acid, oxidic acid, wepụ metal compound na ihe onwunwe, ihe nkedo, na graphite elu germination functionalized otu, dapụtara na a abụọ ọcha graphite ihe mgbe na-anakọta ihicha. Mgbe nke abụọ dị ọcha graphite ihe na-emikpu n&39;ime a mbenata aqueous ngwọta nke ethylenediamine ma ọ bụ diviniscin, na nitrogen nchedo thermally kpebisiri ịrụkwa graphite ihe onwunwe, na gbanwetụrụ graphite ntụ ntụ maka batrị nwere ike nweta.

Na-adịghị mma electrode nke n&39;efu batrị na-achọsi iji aqueous bonding, otú ahụ na-arụ ọrụ ihe onwunwe na uche ọla kọpa foil nwere ike peeled pụọ site a dị mfe usoro, na ot mgbake nke elu-uru ọla kọpa foils, graphite ihe na-atụfu ga-eme ka a oké n&39;efu nke ihe. Ya mere, na-emepe mgbanwe na teknụzụ nrụzi nke ihe graphite, na-achọpụta na ejigharị ihe graphite n&39;efu na ụlọ ọrụ batrị ma ọ bụ ụdị mmepụta ihe ndị ọzọ. 6 Uru akụ na ụba nke mweghachi akụ na ụba nke lithium iron phosphate n&39;efu mgbake batrị na-emetụta nke ukwuu site na ọnụ ahịa akụrụngwa, gụnyere ọnụahịa mgbake batrị, ọnụahịa carbonate raw, ọnụahịa phosphate iron lithium, wdg.

N&39;iji ụzọ teknụzụ eji eji mmiri emegharị mmiri ugbu a, uru akụ na ụba enwetara nke batrị phosphate ion n&39;efu bụ lithium, ego mgbake dị ihe dị ka yuan / ton 7800, ọnụ ahịa mgbake dị ihe dị ka yuan / ton 8,500, na ego mgbake enweghị ike ịgbagha. Ọnụ ego a na-emegharịgharị, ebe lithium iron phosphate na-akwụ ụgwọ mgbake nke ihe mbụ na-efu 27%, yana ọnụ ahịa ihe nrịbama bụ 35%. Ọnụ ego nke ihe mgbakwunye dị mkpa gụnyere hydrochloric acid, sodium hydroxide, hydrogen peroxide, wdg.

(n&39;elu data sitere na njikọ batrị na asọmpi) Di consultation). Iji mmiri technology ụzọ, lithium ike nweta zuru mgbake (lithium mgbake bụ mgbe 90% ma ọ bụ obere), phosphorus, ígwè mgbake mmetụta adịghị mma, na-eji a ọnụ ọgụgụ buru ibu nke excipients, wdg, ọ dị mkpa iji mmiri oru ụzọ siri ike nweta uru Original.

The lithium ígwè phosphate n&39;efu batrị na-eji elu okpomọkụ siri ike na-adọ usoro mmezi ma ọ bụ regeneration technology ụzọ, tụnyere mmiri oru ụzọ, mgbake usoro adịghị alkali igbari na mmiri aluminum foil na acid etisasịwo nti electrode ihe lithium iron phosphate na usoro ndị ọzọ usoro, otú ego nke ojiji nke ngwa bụ nnukwu. Belata, na elu okpomọkụ siri ike na-adọ mmezi ma ọ bụ regenerative technology ụzọ, elu mgbake nke lithium, ígwè na phosphorus ọcha nwere ike inwe elu mgbake uru, dị ka na-atụ anya nke Beijing Saidmy, iji elu okpomọkụ mmezi iwu Component recycling technology ụzọ, ga-enwe ike nweta ihe dị ka 20% net uru. 7 Mgbe mgbake ihe onwunwe bụ mgbagwoju mbuaha mgbake ihe, ọ bụ adabara mgbake nke metal site chemical ọdịda usoro ma ọ bụ ndu leaching technology, na kemịkalụ ihe onwunwe nwere ike megharịa, ma n&39;ihe banyere LiFePO4 ihe, na mmiri mgbake bụ ogologo, Iji na-eji ọzọ acid-base reagents na-edozi a nnukwu ọnụ ọgụgụ nke acid-base n&39;efu mmiri mmiri, e nwere a adịghị ike nke nnukwu mgbake na-eri na ala akụ na ụba.

E jiri ya tụnyere usoro mmiri ozuzo nke kemịkalụ, nrụzi okpomọkụ dị elu na usoro mmeghari okpomọkụ dị elu nwere oge dị mkpirikpi, na ọnụ ọgụgụ nke acid-base reagent dị ntakịrị, na ọnụ ọgụgụ nke n&39;efu acid n&39;efu alkali dị obere, ma a chọrọ ịbịaru nso iji dozie ma ọ bụ nwetaghachi mkpebi. Ihe siri ike iji gbochie njirimara electrochemical nke adịghị ọcha ka na-emetụta ihe. Ihe ndị na-adịghị ọcha na-agụnye obere ego aluminom, foil ọla kọpa, wdg.

Na mgbakwunye na nsogbu ahụ, ọ bụ nsogbu kwụ ọtọ, a na-amụkwa usoro mmegharị ahụ n&39;ọtụtụ buru ibu ma ọ bụghị nsogbu ọchịchọ. Iji meziwanye uru akụ na ụba nke batrị mkpofu, electrolyte dị ọnụ ala na usoro mgbake ihe na-adịghị mma kwesịrị ịmalite ọzọ, na ihe ndị bara uru na batrị mkpofu na-eme ka ọ dịkwuo elu.